<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    body {
        background-image: url("img/lp.png");
        background-size: cover;
        color: #fff;
        font-family: Arial, sans-serif;
    form {
        max-width: 300px;
        margin: 50px auto;
    }
    input {
        width: 100%;
        padding: 10px;
        margin-bottom: 10px;
    }
    title {
        background-color: #4CAF50;
        width: 150px;
        color: white;
        padding: 15px 15px;
        border: none;
        cursor: pointer;
    }
</style>
<body>
    <div class="container">

        <form action="" id="submit_form">

            <ul style="list-style-type: none">
                <h2 class="title">用户注册</h2>
                <li class="line">
                    <span class="title">
                        用户名：
                    </span>
                    <input type="text" name="username">
                </li>
                <li class="line">
                    <span class="title">
                        密码：
                    </span>
                    <input type="password" name="password">
                </li>
                <li class="line">
                    <span class="title">
                        确认密码：
                    </span>
                    <input type="re_password" name="re_password">
                </li>
                <li class="line">
                    <span class="title">

                    </span>
                    <input type="submit" name="提交注册" class="title" style="width: 285px; margin-top: 20px" >
                </li>
            </ul>
<?php

 ?>
        </form>
    </div>
</body>
</html>